9139567969 has 4 divisors (see below), whose sum is σ = 10445220544. Its totient is φ = 7833915396.

The previous prime is 9139567951. The next prime is 9139568003. The reversal of 9139567969 is 9697659319.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9139567969 - 2¹¹ = 9139565921 is a prime.

It is a super-2 number, since 2×9139567969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9139567969.

It is not an unprimeable number, because it can be changed into a prime (9139567909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652826277 + ... + 652826290.

It is an arithmetic number, because the mean of its divisors is an integer number (2611305136).

Almost surely, 2^9139567969 is an apocalyptic number.

It is an amenable number.

9139567969 is a deficient number, since it is larger than the sum of its proper divisors (1305652575).

9139567969 is a wasteful number, since it uses less digits than its factorization.

9139567969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305652574.

The product of its digits is 24800580, while the sum is 64.

The square root of 9139567969 is about 95601.0876977872. The cubic root of 9139567969 is about 2090.7810522924.

The spelling of 9139567969 in words is "nine billion, one hundred thirty-nine million, five hundred sixty-seven thousand, nine hundred sixty-nine".